1PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)
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6 probe::netfilter.ip.local_in - Called on an incoming IP packet
7 addressed to the local computer
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10 netfilter.ip.local_in
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13 fin
14 TCP FIN flag (if protocol is TCP; ipv4 only)
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16 psh
17 TCP PSH flag (if protocol is TCP; ipv4 only)
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19 dport
20 TCP or UDP destination port (ipv4 only)
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22 nf_stolen
23 Constant used to signify a 'stolen' verdict
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25 syn
26 TCP SYN flag (if protocol is TCP; ipv4 only)
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28 ack
29 TCP ACK flag (if protocol is TCP; ipv4 only)
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31 indev
32 Address of net_device representing input device, 0 if unknown
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34 data_hex
35 A hexadecimal string representing the packet buffer contents
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37 saddr
38 A string representing the source IP address
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40 pf
41 Protocol family -- either “ipv4” or “ipv6”
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43 ipproto_tcp
44 Constant used to signify that the packet protocol is TCP
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46 ipproto_udp
47 Constant used to signify that the packet protocol is UDP
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49 rst
50 TCP RST flag (if protocol is TCP; ipv4 only)
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52 iphdr
53 Address of IP header
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55 nf_stop
56 Constant used to signify a 'stop' verdict
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58 daddr
59 A string representing the destination IP address
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61 nf_drop
62 Constant used to signify a 'drop' verdict
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64 sport
65 TCP or UDP source port (ipv4 only)
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67 nf_queue
68 Constant used to signify a 'queue' verdict
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70 protocol
71 Packet protocol from driver (ipv4 only)
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73 indev_name
74 Name of network device packet was received on (if known)
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76 outdev
77 Address of net_device representing output device, 0 if unknown
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79 urg
80 TCP URG flag (if protocol is TCP; ipv4 only)
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82 nf_accept
83 Constant used to signify an 'accept' verdict
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85 nf_repeat
86 Constant used to signify a 'repeat' verdict
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88 family
89 IP address family
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91 length
92 The length of the packet buffer contents, in bytes
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94 data_str
95 A string representing the packet buffer contents
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97 outdev_name
98 Name of network device packet will be routed to (if known)
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101 tapset::netfilter(3stap)
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105SystemTap Tapset Reference November 2021 PROBE::NETFILTER.I(3stap)